Energy Management and Design Optimization for a Power-Split, Heavy-Duty Truck

Paper #:
  • 2017-01-2450

Published:
  • 2017-10-08
Citation:
Xu, C., Yang, F., and Zhang, J., "Energy Management and Design Optimization for a Power-Split, Heavy-Duty Truck," SAE Technical Paper 2017-01-2450, 2017.
Pages:
13
Abstract:
Power-split configuration is highlighted as the most popular concept for full hybrid electric vehicles (HEV). However, the energy management and design of power-split heavy duty truck under Chinese driving conditions still need to be investigated. In this paper, the parametric design, a rule-based control strategy and an equivalent consumption minimization strategy (ECMS) for the power-split heavy duty truck are presented. Besides, the influence of a penalty factor also discussed under ECMS algorithm. Meanwhile, two different methods to search the engine operation point have been proposed and the reason of different economy performance is presented by using energy flow chart. And the simulation results show both fuel consumption can satisfy the second phase fuel consumption standard and the third phase fuel consumption standard which will be implemented in 2020, under C-WTVC (Chinese-World Transient Vehicle Cycle). Design optimization for generator and traction motor are researched by analyzing power split device’s speed and torque characteristic.
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